Home / 22,787,865.66-31,447,252.08-12,333,880.20

Finding the Fourth Proportional to 22,787,865.66, 31,447,252.08 and 12,333,880.20

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Solution

The fourth proportional to 22,787,865.66, 31,447,252.08 and 12,333,880.20 is: 17,020,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787,865.66 : 31,447,252.08 = 12,333,880.20 : x
  2. Step 2: Convert to fraction form
    22,787,865.66/31,447,252.08 = 12,333,880.20/x
  3. Step 3: Cross multiply
    22,787,865.66x = 31,447,252.08 × 12,333,880.20
  4. Step 4: Simplify right side
    22,787,865.66x = 387,866,639,773,920.75
  5. Step 5: Solve for x
    x = 387,866,639,773,920.75/22,787,865.66
  6. Step 6: Final answer
    x = 17,020,753.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.